21110+3919 MLB 891
21h 10m 58.39s +39° 19' 11.6" P.A. 253.00 sep 8.7 mag 11.27,12.70
| Coord 2000 |
21110+3919 |
|
Discov num |
MLB 891 |
|
Comp |
|
|
Coord arcsec 2000 |
21 10 58.39 +39 19 11.6 |
|
| Date first |
1933 |
|
Date last |
2016 |
|
Obs |
12 |
|
| Pa first |
251 |
|
Pa last |
252.5 |
|
P.A. Now (θ) |
252.5° |
|
| Sep first |
8.5 |
|
Sep last |
8.72 |
|
Sep. Now (ρ) |
8.72" |
|
| Mag pri |
11.27 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
1.43 |
|
Spectral class |
|
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
rPM=0.806
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1968105717578827904 |
|
